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Simplifying 5x2 + 7y2 + 100 = 0 Reorder the terms: 100 + 5x2 + 7y2 = 0 Solving 100 + 5x2 + 7y2 = 0 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-100' to each side of the equation. 100 + 5x2 + -100 + 7y2 = 0 + -100 Reorder the terms: 100 + -100 + 5x2 + 7y2 = 0 + -100 Combine like terms: 100 + -100 = 0 0 + 5x2 + 7y2 = 0 + -100 5x2 + 7y2 = 0 + -100 Combine like terms: 0 + -100 = -100 5x2 + 7y2 = -100 Add '-7y2' to each side of the equation. 5x2 + 7y2 + -7y2 = -100 + -7y2 Combine like terms: 7y2 + -7y2 = 0 5x2 + 0 = -100 + -7y2 5x2 = -100 + -7y2 Divide each side by '5'. x2 = -20 + -1.4y2 Simplifying x2 = -20 + -1.4y2 Reorder the terms: 20 + x2 + 1.4y2 = -20 + -1.4y2 + 20 + 1.4y2 Reorder the terms: 20 + x2 + 1.4y2 = -20 + 20 + -1.4y2 + 1.4y2 Combine like terms: -20 + 20 = 0 20 + x2 + 1.4y2 = 0 + -1.4y2 + 1.4y2 20 + x2 + 1.4y2 = -1.4y2 + 1.4y2 Combine like terms: -1.4y2 + 1.4y2 = 0.0 20 + x2 + 1.4y2 = 0.0 The solution to this equation could not be determined.
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